Scalar field inflation and Shan-Chen fluid models

Bini, Donato; Geralico, Andrea; Gregoris, Daniele; Succi, Sauro

doi:10.1103/PhysRevD.90.044021

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Scalar field inflation and Shan-Chen fluid models

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Gregoris, Daniele
AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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1401.4846.pdf
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PhysRevD.90_044021.pdf
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Citation

Bini, D., Geralico, A., Gregoris, D., & Succi, S. (2014). Scalar field inflation and Shan-Chen fluid models. Physical Review D, 90: 044021. doi:10.1103/PhysRevD.90.044021.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0024-76CB-E

Abstract

A scalar field equivalent to a non-ideal "dark energy fluid" obeying a Shan-Chen-like equation of state is used as the background source of a flat Friedmann-Robertson-Walker cosmological spacetime to describe the inflationary epoch of our universe. Within the slow-roll approximation, a number of interesting features are presented, including the possibility to fulfill current observational constraints as well as a graceful exit mechanism from the inflationary epoch.